131 lines
3.8 KiB
JavaScript
131 lines
3.8 KiB
JavaScript
const CACHE_NAME = 'linkding-v2.0.1';
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const urlsToCache = [
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'/',
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'/index.html',
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'/styles.css',
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'/app.js',
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'/manifest.json',
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'/icon-192.png',
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'/icon-512.png'
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];
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// Install event - cache resources
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then((cache) => {
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console.log('Opened cache');
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return cache.addAll(urlsToCache);
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})
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.catch((error) => {
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console.error('Cache install failed:', error);
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})
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);
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self.skipWaiting();
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});
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// Activate event - clean up old caches
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((cacheNames) => {
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return Promise.all(
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cacheNames.map((cacheName) => {
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if (cacheName !== CACHE_NAME) {
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console.log('Deleting old cache:', cacheName);
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return caches.delete(cacheName);
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}
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})
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);
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}).then(() => {
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// Claim all clients immediately to ensure new service worker takes control
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return self.clients.claim();
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})
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);
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});
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// Fetch event - network first for HTML/CSS/JS, cache first for images
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self.addEventListener('fetch', (event) => {
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// API requests - always fetch from network, don't cache
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if (event.request.url.includes('/api/')) {
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event.respondWith(fetch(event.request));
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return;
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}
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const url = new URL(event.request.url);
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const isHTML = event.request.destination === 'document' || url.pathname === '/' || url.pathname.endsWith('.html');
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const isCSS = url.pathname.endsWith('.css');
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const isJS = url.pathname.endsWith('.js');
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const isImage = event.request.destination === 'image' || url.pathname.match(/\.(png|jpg|jpeg|gif|svg|webp|ico)$/i);
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// For HTML, CSS, and JS: Network first, then cache (for offline support)
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if (isHTML || isCSS || isJS) {
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event.respondWith(
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fetch(event.request)
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.then((response) => {
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// Don't cache non-successful responses
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if (!response || response.status !== 200 || response.type !== 'basic') {
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return response;
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}
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// Clone the response
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const responseToCache = response.clone();
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caches.open(CACHE_NAME)
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.then((cache) => {
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cache.put(event.request, responseToCache);
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});
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return response;
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})
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.catch(() => {
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// Network failed, try cache
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return caches.match(event.request).then((response) => {
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// If it's a document request and cache fails, return index.html
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if (!response && isHTML) {
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return caches.match('/index.html');
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}
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return response;
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});
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})
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);
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return;
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}
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// For images and other static assets: Cache first, then network
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if (isImage) {
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event.respondWith(
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caches.match(event.request)
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.then((response) => {
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// Return cached version or fetch from network
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return response || fetch(event.request).then((response) => {
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// Don't cache non-successful responses
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if (!response || response.status !== 200 || response.type !== 'basic') {
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return response;
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}
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// Clone the response
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const responseToCache = response.clone();
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caches.open(CACHE_NAME)
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.then((cache) => {
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cache.put(event.request, responseToCache);
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});
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return response;
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});
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})
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.catch(() => {
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// If both cache and network fail, return offline page if available
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if (event.request.destination === 'document') {
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return caches.match('/index.html');
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}
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})
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);
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return;
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}
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// For other requests: Network first
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event.respondWith(fetch(event.request));
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});
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